The W3C's XML Core WG is considering a change to the XML Schema for the
http://www.w3.org/XML/1998/namespace namespace (i.e. the xml: namespace).
The schema itself is available at http://www.w3.org/2001/xml.xsd .
Currently, that schema says that the default value of xml:space is
"preserve". This is inconsistent with the description of xml:space in
Section 2.10 of the XML 1.0 and XML 1.1 Recommendations, which say:
The root element of any document is considered to have
signaled no intentions as regards application space
handling, unless it provides a value for this attribute
or the attribute is declared with a default value.
In particular, XSLT behaves differently when xml:space is present in a
document with the value "preserve" (either explicitly or by inheritance
from a schema), and WXS-aware implementations of XSLT are now becoming
available. Forcing xml:space to be in effect present with a value of
"preserve", except where explicitly specified otherwise, would break
existing expectations.
Therefore, the XML Core WG would like to remove the default value
of xml:space from the XML Schema.
Please send comments to xml-editor@w3.org, which is copied on this
message.
This discharges my action to the WG.
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